1*86d7f5d3SJohn Marino /* mpq_abs -- absolute value of a rational.
2*86d7f5d3SJohn Marino
3*86d7f5d3SJohn Marino Copyright 2000, 2001 Free Software Foundation, Inc.
4*86d7f5d3SJohn Marino
5*86d7f5d3SJohn Marino This file is part of the GNU MP Library.
6*86d7f5d3SJohn Marino
7*86d7f5d3SJohn Marino The GNU MP Library is free software; you can redistribute it and/or modify
8*86d7f5d3SJohn Marino it under the terms of the GNU Lesser General Public License as published by
9*86d7f5d3SJohn Marino the Free Software Foundation; either version 3 of the License, or (at your
10*86d7f5d3SJohn Marino option) any later version.
11*86d7f5d3SJohn Marino
12*86d7f5d3SJohn Marino The GNU MP Library is distributed in the hope that it will be useful, but
13*86d7f5d3SJohn Marino WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14*86d7f5d3SJohn Marino or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15*86d7f5d3SJohn Marino License for more details.
16*86d7f5d3SJohn Marino
17*86d7f5d3SJohn Marino You should have received a copy of the GNU Lesser General Public License
18*86d7f5d3SJohn Marino along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
19*86d7f5d3SJohn Marino
20*86d7f5d3SJohn Marino #define __GMP_FORCE_mpq_abs 1
21*86d7f5d3SJohn Marino
22*86d7f5d3SJohn Marino #include "gmp.h"
23*86d7f5d3SJohn Marino #include "gmp-impl.h"
24*86d7f5d3SJohn Marino
25*86d7f5d3SJohn Marino
26*86d7f5d3SJohn Marino void
mpq_abs(mpq_ptr dst,mpq_srcptr src)27*86d7f5d3SJohn Marino mpq_abs (mpq_ptr dst, mpq_srcptr src)
28*86d7f5d3SJohn Marino {
29*86d7f5d3SJohn Marino mp_size_t num_size = src->_mp_num._mp_size;
30*86d7f5d3SJohn Marino mp_size_t num_abs_size = ABS (num_size);
31*86d7f5d3SJohn Marino
32*86d7f5d3SJohn Marino if (dst != src)
33*86d7f5d3SJohn Marino {
34*86d7f5d3SJohn Marino mp_size_t den_size = src->_mp_den._mp_size;
35*86d7f5d3SJohn Marino
36*86d7f5d3SJohn Marino MPZ_REALLOC (mpq_numref(dst), num_abs_size);
37*86d7f5d3SJohn Marino MPZ_REALLOC (mpq_denref(dst), den_size);
38*86d7f5d3SJohn Marino
39*86d7f5d3SJohn Marino MPN_COPY (dst->_mp_num._mp_d, src->_mp_num._mp_d, num_abs_size);
40*86d7f5d3SJohn Marino MPN_COPY (dst->_mp_den._mp_d, src->_mp_den._mp_d, den_size);
41*86d7f5d3SJohn Marino
42*86d7f5d3SJohn Marino dst->_mp_den._mp_size = den_size;
43*86d7f5d3SJohn Marino }
44*86d7f5d3SJohn Marino
45*86d7f5d3SJohn Marino dst->_mp_num._mp_size = num_abs_size;
46*86d7f5d3SJohn Marino }
47